How To Fix VMP_MSG164 - Invalid access information for the product structure

SAP Error Message - Details

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 164

• Message text: Invalid access information for the product structure

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message VMP_MSG164 - Invalid access information for the product structure ?

  The SAP error message VMP_MSG164 ("Invalid access information for the product structure") typically occurs in the context of SAP Variant Configuration (VC) when there is an issue with the access sequence or the configuration of the product structure. This error can arise due to several reasons, including incorrect configuration settings, missing data, or issues with the access sequence.
  Causes:
  
  Missing or Incorrect Access Sequence: The access sequence defined for the configuration might not be set up correctly or is missing necessary entries.
  Invalid Product Structure: The product structure (e.g., BOM, routing) may not be correctly defined or may not exist in the system.
  Data Inconsistencies: There may be inconsistencies in the master data related to the product configuration.
  Authorization Issues: The user may not have the necessary authorizations to access the required data.
  Configuration Profile Issues: The configuration profile for the material may not be set up correctly.
  
  Solutions:
  
  
  Check Access Sequence:
  
  Go to the configuration settings for the material and verify the access sequence. Ensure that it is correctly defined and that all necessary entries are present.
  Use transaction code OVAK to check the access sequence for the configuration.
  
  
  
  Verify Product Structure:
  
  Ensure that the product structure (BOM, routing) is correctly defined and exists in the system. You can check this using transaction codes like CS03 (Display BOM) or CA03 (Display Routing).
  
  
  
  Check Master Data:
  
  Review the master data for the material to ensure that all required fields are filled out correctly and that there are no inconsistencies.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the configuration data. You may need to consult with your SAP security team.
  
  
  
  Review Configuration Profile:
  
  Check the configuration profile assigned to the material to ensure it is set up correctly. You can do this using transaction code CU50 (Configuration Profile).
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the error is occurring. This may require assistance from a technical consultant.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  Documentation: Review the SAP documentation on Variant Configuration and product structure management for best practices and troubleshooting tips.
  Community Forums: Consider reaching out to SAP community forums or user groups for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the VMP_MSG164 error in your SAP system.